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URI Math Placement Exam-Questions with Correct Answers/ Verified/ latest 2024/2025 $11.49   Add to cart

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URI Math Placement Exam-Questions with Correct Answers/ Verified/ latest 2024/2025

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  • Course
  • URI Math Placement
  • Institution
  • URI Math Placement

Absolute value -️️How far away a number is from zero -whatever the answer is, but positive Absolute value brackets in equation -️️-take out brackets -turn into two equations; one positive answer, one negative -solve for x for both equations -two answers Adding fractions -️️-find l...

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  • August 16, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • URI Math Placement
  • URI Math Placement
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MikeHarris
URI Math Placement Exam-Questions with Correct Answers/
Verified/ latest 2024/2025
Absolute value - ✔️✔️How far away a number is from zero

-whatever the answer is, but positive



Absolute value brackets in equation - ✔️✔️-take out brackets

-turn into two equations; one positive answer, one negative

-solve for x for both equations

-two answers



Adding fractions - ✔️✔️-find least common denominator

-multiply each numerator by however much it's denominator was multiplied

-add new numerators, keep denominator

-SIMPLIFY



Subtracting fractions - ✔️✔️-find least common denominator

-multiply each numerator by however much it's denominator was multiplied

-subtract new numerators, keep denominator

-SIMPLIFY



Quadratic formula - ✔️✔️x= -b + or - radical (b squared - 4ac) all over 2a



Multiplying fractions - ✔️✔️multiply through

(numerator x numerator) over (denominator over denominator)

SIMPLIFY



Dividing fractions - ✔️✔️Keep. Change. Flip

-KEEP first fraction

-CHANGE division sign to multiplication sign

-FLIP second fraction

, -multiply through

-SIMPLIFY



Fraction to a power - ✔️✔️If fraction in parentheses:

-the whole fraction times itself x many times

-multiply through

If no parentheses:

-only the number with the exponent is effected



Factoring

-how and what signs to use - ✔️✔️SUM CENTER

-find two numbers that add to middle term and multiply to outside term

-if second sign in original equation is positive, then both signs in parentheses are same as first sign in
equation

-if second sign is negative, then both signs in parentheses are different

-final answers are opposite of signs in parentheses



Exponent properties - ✔️✔️-negative exponent = one over original number to the original power
(except positive power)



-fractional exponent = denominator root of original number

-numerator remains as exponent to original number



-anything to power of 0 = 1

-anything to power of 1 = itself



-multiplying equivalent variables with exponents:

-add exponents



-dividing equivalent variables with exponents:

-subtract exponents

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